Home / 120,661.48-181,097.82-64,546.28

Finding the Fourth Proportional to 120,661.48, 181,097.82 and 64,546.28

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Solution

The fourth proportional to 120,661.48, 181,097.82 and 64,546.28 is: 96,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,661.48 : 181,097.82 = 64,546.28 : x
  2. Step 2: Convert to fraction form
    120,661.48/181,097.82 = 64,546.28/x
  3. Step 3: Cross multiply
    120,661.48x = 181,097.82 × 64,546.28
  4. Step 4: Simplify right side
    120,661.48x = 11,689,190,597.11
  5. Step 5: Solve for x
    x = 11,689,190,597.11/120,661.48
  6. Step 6: Final answer
    x = 96,875.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.